Farzaneh Hassani, MD
Internal Medicine Physician · Vista, CA
Farzaneh Hassani, MD is an internal medicine physician with a practice address in Vista, California, and NPI 1942204979, issued on Jun 8, 2005. Check the license (California C54458, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Farzaneh Hassani
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C54458 CA
Self-reported in NPPES; status is on the state search - Practice location
- 134 Grapevine RD, Vista, CA 92083
- Phone
- (760) 631-5000
- Enumerated
- Jun 8, 2005
- Record last updated
- Jun 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (760) 414-3892
- Medicaid ID
- 6000514000 WV
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 134 Grapevine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Farzaneh Hassani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C54458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
41 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Farzaneh Hassani among 17,696 internal medicine physician records in California
Farzaneh Hassani, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 internal medicine physician records list a practice address in Vista
They are 43 of the 2,017 NPPES records with a practice address in Vista, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Vista → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Emad Abu-Khieran, MDVista, CA 920831558314237
- Kristin Bell, M.D.Vista, CA 920831154335891
- Sanjana Chaturvedi, MDVista, CA 920831881630457
- John Lafata, MDVista, CA 920831285662403
- Kiran Mahl-Sansone, M.D., INC.Vista, CA 920831245276815
- Mark O'Brien, D.O.Vista, CA 920831497744247
- Gerald Ondash, MDVista, CA 920831730102153
- Shantu Patel, MDVista, CA 920831851305098
Common questions
What is Farzaneh Hassani, MD's NPI number?
Farzaneh Hassani, MD's National Provider Identifier (NPI) is 1942204979, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Farzaneh Hassani, MD located?
The NPPES record lists a practice address at 134 Grapevine RD, Vista, CA, 92083. Phone: (760) 631-5000. Providers update this record themselves, so call before visiting.
How can I verify Farzaneh Hassani, MD's license?
NPPES lists California license number C54458, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Farzaneh Hassani, MD prescribe under Medicare Part D?
In 2024, Farzaneh Hassani, MD had 41 Medicare Part D claims for 17 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.